1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (c) 2019 Linaro Ltd. 4 * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> 5 */ 6 7/dts-v1/; 8 9#include "bm1880.dtsi" 10 11/* 12 * GPIO name legend: proper name = the GPIO line is used as GPIO 13 * NC = not connected (pin out but not routed from the chip to 14 * anything the board) 15 * "[PER]" = pin is muxed for [peripheral] (not GPIO) 16 * LSEC = Low Speed External Connector 17 * HSEC = High Speed External Connector 18 * 19 * Line names are taken from the schematic "sophon-edge-schematics" 20 * version, 1.0210. 21 * 22 * For the lines routed to the external connectors the 23 * lines are named after the 96Boards CE Specification 1.0, 24 * Appendix "Expansion Connector Signal Description". 25 * 26 * When the 96Board naming of a line and the schematic name of 27 * the same line are in conflict, the 96Board specification 28 * takes precedence. This is only for the informational 29 * lines i.e. "[FOO]", the GPIO named lines "GPIO-A" thru "GPIO-L" 30 * are the only ones actually used for GPIO. 31 */ 32 33/ { 34 compatible = "bitmain,sophon-edge", "bitmain,bm1880"; 35 model = "Sophon Edge"; 36 37 aliases { 38 serial0 = &uart0; 39 serial1 = &uart2; 40 serial2 = &uart1; 41 }; 42 43 chosen { 44 stdout-path = "serial0:115200n8"; 45 }; 46 47 memory@0 { 48 device_type = "memory"; 49 reg = <0x1 0x00000000 0x0 0x40000000>; // 1GB 50 }; 51 52 uart_clk: uart-clk { 53 compatible = "fixed-clock"; 54 clock-frequency = <500000000>; 55 #clock-cells = <0>; 56 }; 57 58 soc { 59 gpio0: gpio@50027000 { 60 porta: gpio-controller@0 { 61 gpio-line-names = 62 "GPIO-A", /* GPIO0, LSEC pin 23 */ 63 "GPIO-C", /* GPIO1, LSEC pin 25 */ 64 "[GPIO2_PHY0_RST]", /* GPIO2 */ 65 "GPIO-E", /* GPIO3, LSEC pin 27 */ 66 "[USB_DET]", /* GPIO4 */ 67 "[EN_P5V]", /* GPIO5 */ 68 "[VDDIO_MS1_SEL]", /* GPIO6 */ 69 "GPIO-G", /* GPIO7, LSEC pin 29 */ 70 "[BM_TUSB_RST_L]", /* GPIO8 */ 71 "[EN_P5V_USBHUB]", /* GPIO9 */ 72 "NC", 73 "LED_WIFI", /* GPIO11 */ 74 "LED_BT", /* GPIO12 */ 75 "[BM_BLM8221_EN_L]", /* GPIO13 */ 76 "NC", /* GPIO14 */ 77 "NC", /* GPIO15 */ 78 "NC", /* GPIO16 */ 79 "NC", /* GPIO17 */ 80 "NC", /* GPIO18 */ 81 "NC", /* GPIO19 */ 82 "NC", /* GPIO20 */ 83 "NC", /* GPIO21 */ 84 "NC", /* GPIO22 */ 85 "NC", /* GPIO23 */ 86 "NC", /* GPIO24 */ 87 "NC", /* GPIO25 */ 88 "NC", /* GPIO26 */ 89 "NC", /* GPIO27 */ 90 "NC", /* GPIO28 */ 91 "NC", /* GPIO29 */ 92 "NC", /* GPIO30 */ 93 "NC"; /* GPIO31 */ 94 }; 95 }; 96 97 gpio1: gpio@50027400 { 98 portb: gpio-controller@0 { 99 gpio-line-names = 100 "NC", /* GPIO32 */ 101 "NC", /* GPIO33 */ 102 "[I2C0_SDA]", /* GPIO34, LSEC pin 17 */ 103 "[I2C0_SCL]", /* GPIO35, LSEC pin 15 */ 104 "[JTAG0_TDO]", /* GPIO36 */ 105 "[JTAG0_TCK]", /* GPIO37 */ 106 "[JTAG0_TDI]", /* GPIO38 */ 107 "[JTAG0_TMS]", /* GPIO39 */ 108 "[JTAG0_TRST_X]", /* GPIO40 */ 109 "[JTAG1_TDO]", /* GPIO41 */ 110 "[JTAG1_TCK]", /* GPIO42 */ 111 "[JTAG1_TDI]", /* GPIO43 */ 112 "[CPU_TX]", /* GPIO44 */ 113 "[CPU_RX]", /* GPIO45 */ 114 "[UART1_TXD]", /* GPIO46 */ 115 "[UART1_RXD]", /* GPIO47 */ 116 "[UART0_TXD]", /* GPIO48 */ 117 "[UART0_RXD]", /* GPIO49 */ 118 "GPIO-I", /* GPIO50, LSEC pin 31 */ 119 "GPIO-K", /* GPIO51, LSEC pin 33 */ 120 "USER_LED2", /* GPIO52 */ 121 "USER_LED1", /* GPIO53 */ 122 "[UART0_RTS]", /* GPIO54 */ 123 "[UART0_CTS]", /* GPIO55 */ 124 "USER_LED4", /* GPIO56, JTAG1_TRST_X */ 125 "USER_LED3", /* GPIO57, JTAG1_TMS */ 126 "[I2S0_SCLK]", /* GPIO58 */ 127 "[I2S0_FS]", /* GPIO59 */ 128 "[I2S0_SDI]", /* GPIO60 */ 129 "[I2S0_SDO]", /* GPIO61 */ 130 "GPIO-B", /* GPIO62, LSEC pin 24 */ 131 "GPIO-F"; /* GPIO63, I2S1_SCLK, LSEC pin 28 */ 132 }; 133 }; 134 135 gpio2: gpio@50027800 { 136 portc: gpio-controller@0 { 137 gpio-line-names = 138 "GPIO-D", /* GPIO64, I2S1_FS, LSEC pin 26 */ 139 "GPIO-J", /* GPIO65, I2S1_SDI, LSEC pin 32 */ 140 "GPIO-H", /* GPIO66, I2S1_SDO, LSEC pin 30 */ 141 "GPIO-L", /* GPIO67, LSEC pin 34 */ 142 "[SPI0_CS]", /* GPIO68, SPI1_CS, LSEC pin 12 */ 143 "[SPI0_DIN]", /* GPIO69, SPI1_SDI, LSEC pin 10 */ 144 "[SPI0_DOUT]", /* GPIO70, SPI1_SDO, LSEC pin 14 */ 145 "[SPI0_SCLK]"; /* GPIO71, SPI1_SCK, LSEC pin 8 */ 146 }; 147 }; 148 }; 149}; 150 151&pinctrl { 152 pinctrl_uart0_default: pinctrl-uart0-default { 153 pinmux { 154 groups = "uart0_grp"; 155 function = "uart0"; 156 }; 157 }; 158 159 pinctrl_uart1_default: pinctrl-uart1-default { 160 pinmux { 161 groups = "uart1_grp"; 162 function = "uart1"; 163 }; 164 }; 165 166 pinctrl_uart2_default: pinctrl-uart2-default { 167 pinmux { 168 groups = "uart2_grp"; 169 function = "uart2"; 170 }; 171 }; 172}; 173 174&uart0 { 175 status = "okay"; 176 clocks = <&uart_clk>; 177 pinctrl-names = "default"; 178 pinctrl-0 = <&pinctrl_uart0_default>; 179}; 180 181&uart1 { 182 status = "okay"; 183 clocks = <&uart_clk>; 184 pinctrl-names = "default"; 185 pinctrl-0 = <&pinctrl_uart1_default>; 186}; 187 188&uart2 { 189 status = "okay"; 190 clocks = <&uart_clk>; 191 pinctrl-names = "default"; 192 pinctrl-0 = <&pinctrl_uart2_default>; 193}; 194